Digital cellular telecommunications system (Phase 2+);Universal Mobile Telecommunications System (UMTS);LTE;3G security;Network Domain Security (NDS);IP network layer security

The present document defines the security architecture for network domain IP based control planes, which shall be applied to NDS/IP-networks (i.e. 3GPP and fixed broadband networks). The scope of network domain control plane security is to cover the control signalling on selected interfaces between network elements of NDS/IP networks.